6301-2RS 12x37x12mm Stiff, Sealed Bearing for Electric Motors & Machine Tools Deep Groove Ball Bearing

Stiff, Sealed Bearing for Electric Motors and Machine Tools
The 6301-2RS (12x37x12mm) has a notably larger cross-section relative to its bore, giving it the radial stiffness needed for electric motor shafts and machine tool spindle-adjacent positions.

Built for Motors and Machine Tools
This size bridges two demanding applications - electric motor rotor support and machine tool sub-assemblies - both of which require consistent running accuracy under continuous load.

Rubber-Sealed for Continuous-Duty Operation
The RS seal retains lubrication for extended run times, supporting the long, uninterrupted operating cycles typical of industrial motors and machine tools.

Reliable Radial Stiffness Under Load
The heavier cross-section reduces deflection under radial load compared to lighter small-bearing sizes, helping maintain shaft alignment and reduce vibration in motor and machine tool assemblies over the long term.

Trusted for Precision Applications
Runout and stiffness test data are available on request, supporting the accuracy validation electric motor and machine tool manufacturers rely on during supplier qualification.